Scale-up challenges and opportunities for carbon capture by oxy-fuel fluidized beds

Simple item page
dc.contributor.authorSeddighi, Sadegh
dc.contributor.authorClough, Peter T.
dc.contributor.authorAnthony, Edward J.
dc.contributor.authorHughes, Robin W.
dc.contributor.authorLu, Ping
dc.date.accessioned2018-10-10T14:28:45Z
dc.date.available2018-10-10T14:28:45Z
dc.date.issued2018-10-09
dc.description.abstractOxy-fuel combustion is a promising technology for carbon capture and storage (CCS) from large point sources. In particular, fluidized bed (FB) boilers represent one of the power generation technologies capable of utilizing the oxy-fuel concept. This paper reviews the published material on the key aspects of oxy-fuel circulating FB, including the boiler heat balance, heat transfer mechanisms, furnace hydrodynamics, and the mechanical and chemical mechanisms of the process. In particular, it demonstrates the challenges of utilizing high inlet O2 concentrations in the oxy-fuel process in fluidized beds. This requires significantly more efficient gas-particle clean-up technology (especially for Cl with perhaps 19% retention and Hg with 2.15 μg/m3 in flue gases), high circulating solids flux and, hence, significant heat extraction outside the furnace (up to 60% of the boiler’s total heat extraction). Scale-up of oxy-fuel CFB technology can partially compensate for the energy penalty from air separation by furnace downsizing when operating at high inlet O2 concentrations. Critically, while there are numerous measurement campaigns and corresponding models from the pilot and, to a lesser extent, industrial scale, the paper endeavors to answer the questions about what information taken from such experimental campaigns is reliable, useful for future design, and for scale-up.en_UK
dc.identifier.citationSadegh Seddighi, Peter T. Clough, Edward J. Anthony, et al., Scale-up challenges and opportunities for carbon capture by oxy-fuel fluidized beds, Applied Energy, Volume 232, 15 December 2018, Pages 527-542en_UK
dc.identifier.issn0306-2619
dc.identifier.urihttps://doi.org/10.1016/j.apenergy.2018.09.167
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/13525
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectOxy-fuel combustionen_UK
dc.subjectCarbon capture and storage (CCS)en_UK
dc.subjectFluidized bedsen_UK
dc.subjectScale upen_UK
dc.subjectBoilersen_UK
dc.titleScale-up challenges and opportunities for carbon capture by oxy-fuel fluidized bedsen_UK
dc.typeArticleen_UK

Files

Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
challenges_and_opportunities_for_carbon_capture-2018.pdf
Size:
2.06 MB
Format:
Adobe Portable Document Format
Description:
Download
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.63 KB
Format:
Item-specific license agreed upon to submission
Description:
Download

Collections

Staff publications (SWEE)